1. Vascular Surgery Clinic, 251 Hellenic Air Force General Hospital, Athens, Greece
2. Department of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
3. 1st General Surgery, Vascular Surgery Department, Aristotle University of Thessaloniki, Thessaloniki, Greece
4. Department of Medicine, Faculty of Health Sciences, “Papageorgiou” General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
5. “Arogi” Rehabilitation Centre, Thessaloniki, Greece
6. Department of Economics Piraeus, University of Piraeus, Piraeus, Greece